Gurney mattress with cover



FIG. 1 is a perspective view of a gurney mattress with cover, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a front view thereof.

The oblique lines in FIGS. 1, 2, and 4 indicate transparency of the cover. 

CLAIM The ornamental design for a gurney mattress with cover, as shown and described. 